In November 2016, the national capital city, New Delhi had faced a severe increase in air pollution levels which continued for more than 2 weeks. Identify the major contributor(s) to this situation from the below-given options.
Air pollution in New Delhi is mostly comprised of pollution from human activities.
Delhi has more than 7.4 million vehicles on its roads, with an additional 1,200 added each day leading to the increase in emission of pollutants.
Stubble burning by farmers in neighbouring states has also been a contributor to the city's misery.